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r211777 - in /trunk/gcc: ChangeLog postreload.c...

From: schwab at gcc dot gnu dot org
To: gcc-cvs at gcc dot gnu dot org
Date: Wed, 18 Jun 2014 10:37:14 -0000
Subject: r211777 - in /trunk/gcc: ChangeLog postreload.c...

Author: schwab
Date: Wed Jun 18 10:37:14 2014
New Revision: 211777

URL: https://gcc.gnu.org/viewcvs?rev=211777&root=gcc&view=rev
Log:
Use strict_low_part for loading a constant only if it is cheaper

	PR rtl-optimization/54555
	* postreload.c (move2add_use_add2_insn): Substitute
	STRICT_LOW_PART only if it is cheaper.

testsuite/:
	PR rtl-optimization/54555
	* gcc.target/m68k/pr54555.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/m68k/pr54555.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/postreload.c
    trunk/gcc/testsuite/ChangeLog

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